diff --git a/src/test/java/eu/ztsh/training/hackerrank/datastructures/dequeue/SolutionTest.java b/src/test/java/eu/ztsh/training/hackerrank/datastructures/dequeue/SolutionTest.java
index 5432891..ae89c05 100644
--- a/src/test/java/eu/ztsh/training/hackerrank/datastructures/dequeue/SolutionTest.java
+++ b/src/test/java/eu/ztsh/training/hackerrank/datastructures/dequeue/SolutionTest.java
@@ -6,7 +6,7 @@ import eu.ztsh.training.hackerrank.SolutionClassDescription;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
 
-@DisplayName("HackerRank challenges: Java Subarray")
+@DisplayName("HackerRank challenges: Java Dequeue")
 class SolutionTest extends HackerRankTest {
 
     @Test
@@ -20,6 +20,17 @@ class SolutionTest extends HackerRankTest {
         );
     }
 
+    @Test
+    public void testCase7() {
+        simpleAssert(
+                List.of(
+                        "10 3",
+                        "1 1 1 1 1 1 1 1 1 1"
+                ),
+                List.of("1")
+        );
+    }
+
     @Override
     protected SolutionClassDescription getSolutionClassDescription() {
         return new SolutionClassDescription(Solution.class);